package operation;

import book.BookList;

public class DisplayOperation implements IOPeration{

    public void work(BookList bookList){
        System.out.println("显示图书!");
        int currentSize = bookList.getUsedSize();
        for (int i = 0; i < currentSize; i++) {
            System.out.println(bookList.getPos(i));
        }
    }
}
